Malware Analysis Report

2025-04-13 21:01

Sample ID 250310-nededssxft
Target 99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe
SHA256 99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97
Tags
darkcloud discovery stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97

Threat Level: Known bad

The file 99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe was found to be: Known bad.

Malicious Activity Summary

darkcloud discovery stealer

Darkcloud family

DarkCloud

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-10 11:18

Signatures

AutoIT Executable

Description Indicator Process Target
N/A N/A N/A N/A

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-10 11:18

Reported

2025-03-10 11:20

Platform

win7-20240903-en

Max time kernel

141s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2688 set thread context of 2692 N/A C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

Network

N/A

Files

memory/2688-11-0x0000000000220000-0x0000000000224000-memory.dmp

memory/2692-12-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2692-14-0x0000000000400000-0x0000000000458000-memory.dmp

memory/2692-17-0x0000000000400000-0x0000000000458000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-10 11:18

Reported

2025-03-10 11:20

Platform

win10v2004-20250217-en

Max time kernel

142s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

Signatures

DarkCloud

stealer darkcloud

Darkcloud family

darkcloud

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2468 set thread context of 3856 N/A C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\svchost.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\99e56015a213e62d7ef8be81eb267702c743fb8e736950731e573fb96941bf97.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp

Files

memory/2468-11-0x0000000000FB0000-0x0000000000FB4000-memory.dmp

memory/3856-12-0x0000000000400000-0x0000000000458000-memory.dmp

memory/3856-14-0x0000000000400000-0x0000000000458000-memory.dmp

memory/3856-17-0x0000000000400000-0x0000000000458000-memory.dmp